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Defiant Inc. delivers enterprise-grade security solutions, primarily through its flagship product, Wordfence, which operates as a leading firewall and malware scanner for WordPress websites. The company specializes in protecting digital assets, user data, and brand integrity for millions of sites globally by identifying and mitigating a wide range of cyber threats. Their approach integrates robust threat intelligence with real-time site protection, safeguarding against vulnerabilities and malicious activity.
Mark Maunder and Kerry Boyte co-founded the entity behind Wordfence, which launched in April 2012. Their vision emerged from recognizing the burgeoning need for specialized security within the rapidly expanding WordPress ecosystem. The company, later formalized as Defiant Inc., stemmed from an insight into providing accessible yet powerful security tools, initially growing their user base through a compelling free offering while building a comprehensive platform.
The company serves a vast user base comprising millions of website owners who rely on WordPress for their online presence. Defiant’s long-term vision centers on contributing to a more secure internet by continually evolving its protective measures and threat intelligence. It aims to empower website administrators with reliable defense mechanisms, ensuring stability and trust across the digital landscape as online threats become more sophisticated.
Key people at Defiant.
Defiant has 1 tracked investment across 1 company. The latest tracked deal is $15.0M Series A in Rivia in March 2026.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Mar 18, 2026 | Rivia | $15.0M Series A | Earlybird | Amino Collective, Nina Capital, Speedinvest |
Key people at Defiant.